springmvc中文问题-优快云博客

本文链接：https://blog.youkuaiyun.com/yongwoozzang/article/details/102909674

本文详细介绍了SpringMVC框架的配置过程，包括web.xml和springmvc-servlet.xml文件的设置，展示了如何通过DispatcherServlet处理请求，以及如何使用CharacterEncodingFilter确保字符编码正确。同时，提供了ProductController的具体实现，解释了如何映射URL并返回ModelAndView对象。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
         version="4.0">

    <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>
            org.springframework.web.servlet.DispatcherServlet
        </servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <filter>
        <filter-name>CharacterEncodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>utf-8</param-value>
        </init-param>
    </filter>

    <filter-mapping>
        <filter-name>CharacterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

</web-app>

springmvc-servlet.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context-3.0.xsd">

    <context:component-scan base-package="controller" />

    <bean id="irViewResolver"
          class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/pages/" />
        <property name="suffix" value=".jsp" />
    </bean>

</beans>

Product.java

package pojo;

public class Product {

    private int id;
    private String name;
    private float price;
    public int getId() {
        return id;
    }
    public void setId(int id) {
        this.id = id;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public float getPrice() {
        return price;
    }
    public void setPrice(float price) {
        this.price = price;
    }

}

ProductController.java

package controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

import pojo.Product;

@Controller
public class ProductController {

    @RequestMapping("/addProduct")
    public ModelAndView add(Product product) throws Exception {
        ModelAndView mav = new ModelAndView("showProduct");
        return mav;
    }
}

addProduct.jsp

<%--
  Created by IntelliJ IDEA.
  User: Think
  Date: 2019/11/4
  Time: 17:23
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>addProduct</title>
</head>
<body>

<form action="addProduct" method="post">

    产品名称 ：<input type="text" name="name" value=""><br />
    产品价格： <input type="text" name="price" value=""><br />

    <input type="submit" value="增加商品">
</form>

</body>
</html>

showProduct.java

<%--
  Created by IntelliJ IDEA.
  User: Think
  Date: 2019/11/4
  Time: 17:23
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>showProduct</title>
</head>
<body>

产品名称： ${product.name}<br>
产品价格： ${product.price}

</body>
</html>